SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page TS-1 of TS-2 

TRANSMITTAL SHEET

Original issue 

This page transmits Original issue of Service Bulletin No. ATR42-25-0180. 

General information concerning this document is available in Service Letter No. ATR42-00-5005. 

TITLE: Equipment/Furnishings - Overhead stowage compartments - Removal of 

fittings at level of type III emergency exit doors 

© ATR. All rights reserved. Confidential and proprietary document. 

This document shall not be reproduced or disclosed to a third party 

without the written consent of ATR. This document and its content 

shall not be used for any purpose other than that for which it is supplied. 

ATR, its logo, the distinctive ATR aircraft profiles and patented information 

relating to the ATR aircraft are the exclusive property of ATR and are subject 

to copyright. This document and all information contained herein are the sole 

property of ATR. No intellectual property right is granted through, or induced by, 

the delivery of this document or the disclosure of its content. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

Page TS-2 of TS-2 © ATR. All rights reserved. Confidential and proprietary document. 

1 – TABLE OF CONTENTS 

TRANSMITTAL SHEET ...................................................................................Page TS-1 to TS-2 

ACCOMPLISHMENT REPORT ...................................................................... Page AR-1 to AR-1 

PLANNING INFORMATION............................................................................... Page PI-1 to PI-4 

MATERIAL INFORMATION.............................................................................. Page MI-1 to MI-1 

ACCOMPLISHMENT INSTRUCTIONS ............................................................. Page AI-1 to AI-2 

ILLUSTRATIONS................................................................................................ Page IL-1 to IL-1 

2 – REVISION SEQUENCES 

Issue or Revision Date Additional work 

 

Original issue Aug 19/13 - 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page AR-1 © ATR. All rights reserved. Confidential and proprietary document. 

ACCOMPLISHMENT REPORT 

SERVICE BULLETIN No. ATR42-25-0180 

Original issue 

Send this report to: 

ATR ENGINEERING 

SERVICE BULLETIN GROUP 

1 ALLEE PIERRE NADOT 

31712 BLAGNAC CEDEX 

FRANCE 

phone : +33 (0)5 62 21 62 21 

fax : +33 (0)5 62 21 69 41 

e-mail : techdesk@atr.fr 

Aircraft identification

Service Bulletin accomplished on aircraft MSN: 

Service Bulletin accomplishment date: 

Aircraft registration number: 

Number of flights: 

Flight hours: 

Maintenance organisation identification

Maintenance organisation name: 

Name & Signature: 

Date: 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

Page PI-1 © ATR. All rights reserved. Confidential and proprietary document. 

COMPLIANCE: RECOMMENDED MODIFICATION: 07152 L2248 

TITLE: Equipment/Furnishings - Overhead stowage compartments - Removal of 

fittings at level of type III emergency exit doors 

1. PLANNING INFORMATION

A. EFFECTIVITY

(1) Aircraft models 

The approved change used to generate this document has been certified on the 

following ATR42 models: 

ATR42-200 ATR42-300 ATR42-320 ATR42-400 ATR42-500 

NO NO NO NO YES 

(2) Aircraft 

MSN Kit(s) 

859, 1001, 1003, 1004 None 

For each aircraft MSN, operator should order the mentioned kit(s). 

Other parts or equipment could be required for embodiment of this Service Bulletin. 

Please refer to chapter "MATERIAL INFORMATION" for details. 

NOTE 1: This Service Bulletin is applicable only on aircraft equipped with the 

modification No. 06518. 

NOTE 2: The following MSN are not concerned by this Service Bulletin, the removal 

of the fittings is performed through concessions: 

- MSN 1002, concession No. TR-004399299, 

- MSN 1005, concession No. TR-004399338. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

Page PI-2 © ATR. All rights reserved. Confidential and proprietary document. 

(3) Spares 

The following stock items are modifiable (or not) according to the table below. 

None. 

B. REASON

It has been detected a case of interference/insufficient gap between a type III emergency 

exit door and the overhead stowage compartment fitting installed on the rail. 

In order to restore acceptable gap allowing the opening of the type III emergency exit 

doors, accomplishment of this Service Bulletin consists in: 

- removing the fittings at level of the LH and RH type III emergency exit doors, 

- verifying the resulting clearance between the doors and the overhead stowage 

compartment hooks. 

COMPLIANCE: Accomplishment of this Service Bulletin is recommended by ATR. 

C. DESCRIPTION

Accomplishment of this Service Bulletin consists in carrying out the following jobs: 

(1) In zones 221 and 222, on lateral rails, removal of fittings 

D. APPROVAL

The technical content of this document is approved under the authority of 

DOA No. EASA.21J.044. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

Page PI-3 © ATR. All rights reserved. Confidential and proprietary document. 

E. MANPOWER

Manhours 

Mechanic 1 

Electrician None 

Total manhours 1 

Elapsed time (hours) 1 

The above estimates are only provided for general guidance in operator's modification 

planning. 

NOTE: This Service Bulletin assumes that the aircraft has been placed in the appropriate 

maintenance configuration. The manhours/elapsed time estimates do not include 

preparation for the modification, non-productive elapsed time or administrative 

functions. 

F. WEIGHT AND BALANCE

MEW : - 0.034 kg (- 0.075 lb) 

Effect on balance: - 0.286 kg.m (- 24.823 lb.in) 

G. REFERENCES

The following publications have to be used during accomplishment of this Service Bulletin: 

AMM (JIC) : 24-40-00 EAD 10000

52-21-00 RAI 10000

 

The following modifications and/or retrofit documents are mentioned on this Service 

Bulletin: 

Modification Retrofit document Title 

 

06518 - EQUIPMENT/FURNISHINGS - INSTALL ARMONIA 

CABIN ON ATR42 STANDARD CONFIGURATION 

 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

Page PI-4 © ATR. All rights reserved. Confidential and proprietary document. 

H. AFFECTED PUBLICATIONS

(1) Maintenance documentation 

The following maintenance manuals will be updated after receipt of the 

Accomplishment Report by ATR: 

AMM (JIC) : 25-24-21

 

IPC : 25-23 

(2) Operational documentation 

None. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page MI-1 © ATR. All rights reserved. Confidential and proprietary document. 

2. MATERIAL INFORMATION

A. MATERIAL - COST AND AVAILABILITY

None. 

B. LIST OF COMPONENTS

None. 

C. LIST OF MATERIALS - OPERATOR SUPPLIED

None. 

D. SPECIAL TOOLS

Accomplishment of this Service Bulletin requires use of the following special tools: 

None. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page AI-1 © ATR. All rights reserved. Confidential and proprietary document. 

3. ACCOMPLISHMENT INSTRUCTIONS

A. GENERAL

The following instructions assume that work will be accomplished when the aircraft is in 

the appropriate maintenance configuration. 

B. JOB SET-UP

(1) De-energize the aircraft electrical network and connect the aircraft to ground as per 

AMM (JIC) 24-40-00 EAD 10000. 

(2) Remove LH and RH emergency exit doors as per AMM (JIC) 52-21-00 RAI 10000. 

C. MODIFICATION

(1) In zones 221 and 222, on lateral rails, removal of fittings 

(a) Remove all the parts listed in the following table. Carefully follow the specific 

instruction(s) detailed after the table. 

REMOVAL 

Item Description Part Number Qty 

Discarded 

Qty 

Re-used Figure

 

1 LH fitting S2522924620000 1 - 1 

2 RH fitting S2522924620100 1 - 1 

3 Screw NAS1801-3-8 4 - 1 

4 Washer ASNA2397-10L 4 - 1 

5 Nut ASNA2871-3 4 - 1 

 

Specific instruction(s): 

- Untighten the eight screws, item 6 of the four overhead stowage compartment 

hooks item 7 and push upwards the hooks in order to remove the fittings item 1 

and item 2. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page AI-2 © ATR. All rights reserved. Confidential and proprietary document. 

- Lift to the maximum the end of the hooks item 7 and tighten the eight screws 

item 6. 

(b) Re-install the LH and RH emergency exit doors as per 

AMM (JIC) 52-21-00 RAI 10000. 

(c) Open the LH and RH emergency exit doors and rotate them with the doors 

remaining on the lower fittings. Verify that the gap between the doors and the 

four overhead stowage compartment hooks item 7 (Refer to Figure 1) is 6 mm 

(0.236 in) minimum. 

If the gap is less than 6 mm (0.236 in) contact ATR at the following address: 

ATR TECHDESK 

1 ALLEE PIERRE NADOT 

31712 BLAGNAC CEDEX 

FRANCE 

phone : +33 (0)5 62 21 65 61 

fax : +33 (0)5 62 21 62 32 

e-mail : techdesk@atr.fr 

(d) Re-install the LH and RH emergency exit doors as per 

AMM (JIC) 52-21-00 RAI 10000. 

D. TESTS

(1) Verify that tests required by maintenance documents 

(AMM (JIC) 52-21-00 RAI 10000) mentioned on previous paragraph 

"MODIFICATION" have been performed. 

E. CLOSE-UP

(1) Re-energize the aircraft electrical network and disconnect the aircraft from ground as 

per AMM (JIC) 24-40-00 EAD 10000. 
SERVICE BULLETIN ATR42 

Original issue - Aug 19/13 Service Bulletin No. ATR42-25-0180 

 Page IL-1 

© ATR. All rights reserved. Confidential and proprietary document. 

ILLUSTRATIONS 

In zones 221 and 222, on lateral rails, 

removal of fittings 

Figure 1